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Notice code 045 — We didn’t allow the amount claimed as diesel-powered highway vehicle credit you reported on your For…
We didn’t allow the amount claimed as diesel-powered highway vehicle credit you reported on your Form 1040. This credit was repealed effective August 20, 1996.
What to do next
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045
Read the notice carefully and note any deadline. Gather returns, notices, and payment records. Book a free strategy session before responding if the amount is large, unclear, or collection language appears.
What the IRS language says
We didn’t allow the amount claimed as diesel-powered highway vehicle credit you reported on your Form 1040. This credit was repealed effective August 20, 1996.
What it usually means
045 is in our IR Manual catalog. Official wording is dense — we translate it for business owners and individuals and map realistic next steps.
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